diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index ec8978d..ded3c8b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -8,13 +8,12 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@master
+    - uses: actions/checkout@v2
 
-    - name: Set up Go 1.12
+    - name: Set up Go 1.14
       uses: actions/setup-go@v1
       with:
-        version: 1.12
-      id: go
+        go-version: 1.14
 
     - name: Build
       run: script/cibuild
diff --git a/.github/workflows/replica-tests.yml b/.github/workflows/replica-tests.yml
index d775131..31e2052 100644
--- a/.github/workflows/replica-tests.yml
+++ b/.github/workflows/replica-tests.yml
@@ -8,13 +8,12 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@master
+    - uses: actions/checkout@v2
 
-    - name: Set up Go 1.12
+    - name: Set up Go 1.14
       uses: actions/setup-go@v1
       with:
-        version: 1.12
-      id: go
+        go-version: 1.14
 
     - name: migration tests
       run:  script/cibuild-gh-ost-replica-tests
diff --git a/Dockerfile.packaging b/Dockerfile.packaging
index 214c70c..9c5cd29 100644
--- a/Dockerfile.packaging
+++ b/Dockerfile.packaging
@@ -1,6 +1,6 @@
 #
 
-FROM golang:1.12.6
+FROM golang:1.14.7
 
 RUN apt-get update
 RUN apt-get install -y ruby ruby-dev rubygems build-essential
diff --git a/Dockerfile.test b/Dockerfile.test
index 6abc4a0..8f56be3 100644
--- a/Dockerfile.test
+++ b/Dockerfile.test
@@ -1,4 +1,4 @@
-FROM golang:1.12.1
+FROM golang:1.14.7
 LABEL maintainer="github@github.com"
 
 RUN apt-get update
diff --git a/README.md b/README.md
index cd6f592..d4a17e9 100644
--- a/README.md
+++ b/README.md
@@ -94,7 +94,7 @@ Please see [Coding gh-ost](doc/coding-ghost.md) for a guide to getting started d
 
 [Download latest release here](https://github.com/github/gh-ost/releases/latest)
 
-`gh-ost` is a Go project; it is built with Go `1.12` and above. To build on your own, use either:
+`gh-ost` is a Go project; it is built with Go `1.14` and above. To build on your own, use either:
 - [script/build](https://github.com/github/gh-ost/blob/master/script/build) - this is the same build script used by CI hence the authoritative; artifact is `./bin/gh-ost` binary.
 - [build.sh](https://github.com/github/gh-ost/blob/master/build.sh) for building `tar.gz` artifacts in `/tmp/gh-ost`
 
@@ -109,3 +109,4 @@ Generally speaking, `master` branch is stable, but only [releases](https://githu
 - [@shlomi-noach](https://github.com/shlomi-noach)
 - [@jessbreckenridge](https://github.com/jessbreckenridge)
 - [@gtowey](https://github.com/gtowey)
+- [@timvaillancourt](https://github.com/timvaillancourt)
diff --git a/build.sh b/build.sh
index 46db9c2..b5d4659 100755
--- a/build.sh
+++ b/build.sh
@@ -18,8 +18,8 @@ function build {
   GOOS=$3
   GOARCH=$4
 
-  if ! go version | egrep -q 'go(1\.1[234])' ; then
-    echo "go version must be 1.12 or above"
+  if ! go version | egrep -q 'go(1\.1[456])' ; then
+    echo "go version must be 1.14 or above"
     exit 1
   fi
 
diff --git a/script/ensure-go-installed b/script/ensure-go-installed
index c9c2ae8..baa5bd7 100755
--- a/script/ensure-go-installed
+++ b/script/ensure-go-installed
@@ -1,13 +1,13 @@
 #!/bin/bash
 
-PREFERRED_GO_VERSION=go1.12.6
-SUPPORTED_GO_VERSIONS='go1.1[234]'
+PREFERRED_GO_VERSION=go1.14.7
+SUPPORTED_GO_VERSIONS='go1.1[456]'
 
 GO_PKG_DARWIN=${PREFERRED_GO_VERSION}.darwin-amd64.pkg
-GO_PKG_DARWIN_SHA=ea78245e43de2996fa0973033064b33f48820cfe39f4f3c6e953040925cc5815
+GO_PKG_DARWIN_SHA=0f215de06019a054a3da46a0722989986c956d719c7a0a8fc38a5f3c216d6f6b
 
 GO_PKG_LINUX=${PREFERRED_GO_VERSION}.linux-amd64.tar.gz
-GO_PKG_LINUX_SHA=dbcf71a3c1ea53b8d54ef1b48c85a39a6c9a935d01fc8291ff2b92028e59913c
+GO_PKG_LINUX_SHA=4a7fa60f323ee1416a4b1425aefc37ea359e9d64df19c326a58953a97ad41ea5
 
 export ROOTDIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )/.." && pwd )"
 cd $ROOTDIR